80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
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Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef NDB_SCHEMA_DIST_TABLE_H
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#define NDB_SCHEMA_DIST_TABLE_H
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#include <string>
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#include "storage/ndb/include/ndbapi/NdbDictionary.hpp"
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#include "storage/ndb/plugin/ndb_util_table.h"
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// RAII style class for working with the schema distribution table in NDB
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class Ndb_schema_dist_table : public Ndb_util_table {
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Ndb_schema_dist_table() = delete;
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Ndb_schema_dist_table(const Ndb_schema_dist_table &) = delete;
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bool define_table_ndb(NdbDictionary::Table &table,
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unsigned mysql_version) const override;
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bool drop_events_in_NDB() const override;
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public:
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static const std::string DB_NAME;
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static const std::string TABLE_NAME;
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static const char *COL_DB;
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static const char *COL_NAME;
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static const char *COL_QUERY;
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static const char *COL_ID;
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static const char *COL_VERSION;
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Ndb_schema_dist_table(class Thd_ndb *);
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virtual ~Ndb_schema_dist_table();
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bool check_schema() const override;
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bool check_column_identifier_limit(const char *column_name,
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const std::string &identifier) const;
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bool need_upgrade() const override;
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std::string define_table_dd() const override;
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/**
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@brief Return number of bytes possible to store in the "slock" column
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@return number of bytes
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*/
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int get_slock_bytes() const;
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/**
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@brief Check if the table has been upgraded with schema_op_id column
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@return true if table have the schema_op_id column
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*/
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bool have_schema_op_id_column() const;
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};
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#endif
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